Home / 21,770.44-30,060.16-16,726.66

Finding the Fourth Proportional to 21,770.44, 30,060.16 and 16,726.66

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Solution

The fourth proportional to 21,770.44, 30,060.16 and 16,726.66 is: 23,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770.44 : 30,060.16 = 16,726.66 : x
  2. Step 2: Convert to fraction form
    21,770.44/30,060.16 = 16,726.66/x
  3. Step 3: Cross multiply
    21,770.44x = 30,060.16 × 16,726.66
  4. Step 4: Simplify right side
    21,770.44x = 502,806,075.87
  5. Step 5: Solve for x
    x = 502,806,075.87/21,770.44
  6. Step 6: Final answer
    x = 23,095.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.